All aboard on this train doesn't mean just people. It means minivans, cars and motorcycles, too.

To board you have to be packing some serious luggage: every traveler must also be transporting a vehicle. Amtrak's Auto Train, the only one like it in the nation, has only two stops: one near Orlando, Fla., and the other in Virginia near Washington, D.C. For more than 25 years it has carried vacationers and their vehicles, and a new $10 million station expected to open in Florida in 2010 may mean even more passengers.